package com.example.lotterysystem.dao.mapper;

import com.example.lotterysystem.dao.dataobject.PrizeDO;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface PrizeMapper {
    @Insert("insert into prize (name, price, image_url, description)" +
            " values (#{name}, #{price}, #{imageUrl}, #{description})")
    @Options(useGeneratedKeys = true, keyProperty = "id", keyColumn = "id")
    int insert(PrizeDO prizeDO);

    @Select("select count(1) from prize")
    int count();

    @Select("select * from prize order by id desc limit #{offset}, #{pageSize}")
    List<PrizeDO> selectPrizeList(@Param("offset") Integer offset, @Param("pageSize") Integer pageSize);
    @Select("<script>" +
            " select id from prize" +
            " where id in <foreach item='item' collection='items' open='(' separator=',' close=')'>" +
            " #{item} " +
            "</foreach>" +
            " </script>")
    List<Long> selectExistByIds(@Param("items") List<Long> prizeIds);
    @Select("<script>" +
            " select * from prize" +
            " where id in <foreach item='item' collection='items' open='(' separator=',' close=')'>" +
            " #{item} " +
            "</foreach>" +
            " </script>")
    List<PrizeDO> batchSelectByIds(@Param("items")List<Long> ids);
    @Select("select * from prize where id = #{prizeId}")
    PrizeDO selectById(@Param("prizeId") Long prizeId);
}
